Practice Krebs Cycle (Citric Acid Cycle) - 3.3.2.2 | Chapter 3: Energy Systems | IB Grade 12 Physical and Health Education (SEHS)
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Where does the Krebs Cycle occur in the cell?

πŸ’‘ Hint: Think of the powerhouse of the cell.

Question 2

Easy

What is Acetyl-CoA derived from?

πŸ’‘ Hint: Recall the process right before the Krebs Cycle.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the main function of the Krebs Cycle?

  • Generate Lactic Acid
  • Produce ATP and Energy Carriers
  • Store Glucose

πŸ’‘ Hint: Remember its role in metabolism.

Question 2

True or False: The Krebs Cycle produces more ATP than it uses.

  • True
  • False

πŸ’‘ Hint: Think about the outputs of the cycle.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If a person is exercising at high intensity without adequate oxygen supply, how does this impact the Krebs Cycle and overall ATP production? Explain using metabolic pathways.

πŸ’‘ Hint: Consider how oxygen's role in cellular respiration changes energy production.

Question 2

Evaluate the overall importance of the Krebs Cycle in different types of physical activities, such as sprinting vs. marathon running. How would their energy systems differ?

πŸ’‘ Hint: Think about energy duration and intensity requirements in various sports.

Challenge and get performance evaluation